【简答题】旅游线路规划设计的原则包含:主题突出原则、遵循旅游者心理活动的原则、时空优化原则、_______________________原则和不断更新的原则等。
【单选题】芬兰作曲家西贝柳斯的作品《芬兰颂》具有鲜明的民族风格,成为芬兰民族精神的象征,他是哪个乐派的代表人物()
【简答题】Since the 1970s, scientists have been searching for ways to link the brain with computers. Braincomputer intece (BCI) technology could help people with disabilities send commands to machines. Rece...
【单选题】关于重力势能,下列说法中正确的是( )
A.
物体的位置一旦确定,它的重力势能的大小也随之确定
B.
物体与零势能面的距离越大,它的重力势能也越大
C.
一个物体的重力势能从-5 J变化到-3 J,重力势能减少了
【单选题】According to the article, what is the key to the future of robotic item picking.
A.
overcome the three V’s of volume, velocity and veracity.
C.
mimicking the amazing capabilities of the human hand.
D.
the article didn’t say.
【简答题】5G -- the fifth generation of cellular mobile communication -- promises a lot more than the fastest internet speed. It will allow devices to communicate with virtually zero lag time. That would (1) __...
【简答题】芬兰民族乐派作曲家西贝柳斯的很多作品都贯穿着芬兰民族雄浑、粗犷、豪放的气质,充满了史诗的气魄,他的代表作____是芬兰民族解放斗争的象征。